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INSULATION IS EEPING THE HEAT INSIDE AND convection and radiation I HAVE GOT
NO IEA HOPE IT HELPS :))
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoConduction and convection are also different, but radiation is transferred through the air (or space).
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How do conduction convection and radiation affect the movement and temperature of air near the ocean?
Conduction, convection and radiation affects the movement and temperature of air near the ocean. Conduction causes difference in temperatures. For example, during a hot day, land heats up more quickly than water. Water is a better conductor of heat. The air near the land's surface is heated due to conduction and radiation. It expands and rises since it is lighter than surrounding air. This is called convection. To replace the air that rose, the air from the sea's surface blows to land.
Why is convection more important than conduction in the troposphere?
Convection is way more important than conduction in the troposphere because conduction can only travel through solid unlike convection.
Is the statement that radiation is the only form of heat transfer that is experienced on Earth true?
No. There are three different forms of heat transfer Radiation, Conduction and Convection. All three are experienced on Earth. Conduction occurs when heat is transferred between objects that are in direct contact with one another: some materials are better conductors than others. Convection is the up and down movement of gases and liquids caused by heat transfer. Radiation occurs when electromagnetic waves travel through space transferring heat to the object which it eventually hits.
Do things have heat energy or you must heat them?
Things heat up by conduction, convection, and radiation. Conduction is when something cold, like a spoon, is physically touching something hot, like warm tea. Convection happens by currents of some sort, like wind or the ocean, when the heat gets spread around. Radiation is like the Sun, or light, or microwaves and x-rays.
What is heat conduction?
in heat transfer, conduction (or heat conduction) is the transfer of heat energy by microscopic diffusion and collisions of particles or quasi-particles within a body due to atemperature gradient. The microscopically diffusing and colliding objects include molecules, electrons, atoms, and phonons. They transfer microscopically disorganized kinetic energy. Conduction takes place in all forms of ponderable matter, such as solids, liquids, gases and plasmas.By conduction, as well as by thermal radiation, heat spontaneously flows from a body at a higher temperature to a body at a lower temperature. In the absence of external driving fluxes, temperature differences, over time, approach thermal equilibrium.During conduction, the heat flows through the body itself, as opposed to its transfer by the bulk motion of the matter as in convection, and by thermal radiation. In solids, it is due to the combination of vibrations of the molecules in a lattice or phonons and diffusion of free electrons. In gases and liquids, conduction is due to the collisions and diffusion of the molecules during their random motion. Photons in this context do not collide with one another, and heat transport by electromagnetic radiation is conceptually distinct from heat conduction by microscopic diffusion and collisions of material particles and phonons. In condensed matter, such as a solid or liquid, the distinction between conduction and radiative transfer of heat is clear in physical concept, but it is often not phenomenologically clear, unless the material is semi-transparent. In a gas the distinction is both conceptually and phenomenologically clear.In the engineering sciences, heat transfer includes the processes of thermal radiation, convection, and sometimes mass transfer. Usually more than one of these processes occurs in a given situation. The conventional symbol for the material property, thermal conductivity, is .
Is heat slower than sound in air?
Heat being transferred in three modes. They are conduction, convection and radiation As far as conduction and convection are concerned they may be slower than sound But radiation is by electromagnetic wave. It has the speed of light. So it is not slower than sound.
What do you call when a heat moves along an object?
That describes "conduction," rather than convection and radiation.
Is barbecuing radiation convection or conduction?
Barbecuing, depending on what specific process it is referring to, could be either radiation, convection, or conduction. Radiation is when energy is released in the form of a photon, so the flames of the barbecue (light energy) are a form of radiation. Conduction is when energy is transferred through contact, or collision, therefore, the things you are cooking on the barbecue, are being heated through conduction with the metal. Convection is when energy travels through energy-containing particles (other than photons), so the steam rising from the coals is convection currents.
Why earth is heated by the sun through radiation and not by convection or conduction?
The space between Earth and the Sun is mostly empty (emptier than most vacuums in Earth laboratories, in any case).Convection and conduction require the presence of atoms.
What does conduction have in common with radiation but not convection?
Conduction and radiationÊhave in common the directional aspect of its energy, they both are radiated outward from point a to point b. Convection means than the energy is all incompassing and flows around a point orÊobject not to or thru something.
Does an electric grill use conduction convection or radiation?
Depending on the scenario, it could be an example of all three, but the most common transfer of energy through heat associated with a heating iron would be conduction. If this is for school and it is possible to have more than one answer, then it would be conduction and radiation.
How do conduction convection and radiation affect the movement and temperature of air near the ocean?
Conduction, convection and radiation affects the movement and temperature of air near the ocean. Conduction causes difference in temperatures. For example, during a hot day, land heats up more quickly than water. Water is a better conductor of heat. The air near the land's surface is heated due to conduction and radiation. It expands and rises since it is lighter than surrounding air. This is called convection. To replace the air that rose, the air from the sea's surface blows to land.
What are three ways heat can travel?
Conduction (through e.g. solid materials like metals that allow heat through - like a saucepan base) It is transformed into another object by touchConvection - in liquids and gases. Hot substances expand and so are less dense than cold substances. These less dense liquids and gases rise and cool ones fall forming a current. as an example, convector heaters in your home, the Gulf Stream that brings warm water from the Caribbean to Europe.Radiation - the method by which energy is transferred through a vacuum e.g. in the infra red heat energy from the sun as it travels across the vacuum of space.radiation, convection and conduction.
Why is convection more important than conduction in the troposphere?
Convection is way more important than conduction in the troposphere because conduction can only travel through solid unlike convection.
Is an egg frying in a pan conduction?
This is a more complicated question than you might expect. There are three basic way heat moves, convection, radiation, and conduction. Convection moves heat around by the rising and falling (currents) of some medium like air or water. The currents form, because heated material (in general) is less dense than cooler material. Therefore, convection *never* happens in the absence of gravity. Radiation is always in the form of light, specifically infrared. The warmth you feel when sunlight touches your skin is this kind heat. Lastly, there's conduction where heat moves from one thing to another by contact. Frying pan cooking (dry) primarily uses conduction, but radiation and convection do play roles. Frying pan cooking (with oil) primarily uses convection, but conduction is involved if the food sticks to the bottom.
Is the statement that radiation is the only form of heat transfer that is experienced on Earth true?
No. There are three different forms of heat transfer Radiation, Conduction and Convection. All three are experienced on Earth. Conduction occurs when heat is transferred between objects that are in direct contact with one another: some materials are better conductors than others. Convection is the up and down movement of gases and liquids caused by heat transfer. Radiation occurs when electromagnetic waves travel through space transferring heat to the object which it eventually hits.
Why does space have extreme temps?
There are three ways by which energy can be transferred, conduction, convection and radiation. In space, conduction and convection are impossible as there is no medium by which these process can occur. All that is left is radiation. If a body radiates more than it absorbs, it cools off. If you're in direct sunlight, you will burn up. That is why astronauts have special suits that reflects a lot of the sunlight off them, and also keeps them warm.
